Gray North 7″ Ductboard Tab Collar w/ Damper HVAC Take-Off

SKU: 7-405D

Weight	3 lbs
Dimensions	12 × 12 × 8 in
Condition	New
Manufacturer Part Number	7-405D

$16.48

In stock — available to order.

Sold individually. Each quantity ordered is one unit. Kits are one complete kit; products sold by length use the stated length unit.

Same-item volume pricing

Quantity	Unit price	Saving
1–4	$16.48	0%
5–9	$15.66	5%
10+	$14.83	10%

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Gray North 7" Ductboard Tab Collar w/ Damper HVAC Take-Off

Specifications & product details

Gray North 7″ Ductboard Tab Collar with Manual Damper – HVAC Take-Off

This 7-inch ductboard tab collar with integrated manual damper is designed for tapping into fiberglass ductboard trunk lines while allowing adjustable airflow control at the branch connection.

The built-in locking tabs secure the collar to ductboard panels, while the adjustable damper lever enables precise air balancing without additional inline components.

Constructed from durable galvanized steel, this collar provides long-lasting corrosion resistance and contractor-grade performance.

Specifications:

Diameter: 7″ Round
Type: Ductboard Tab Collar with Damper
Damper: Manual Adjustable Lever
Material: Galvanized Steel
Model: MFG# 7-405D

Key Benefits:

Built-in airflow control
Secure tab installation into ductboard
Compatible with flexible or rigid 7″ round duct
Ideal for residential and light commercial HVAC systems
Perfect for air balancing applications

Great for HVAC contractors, installers, and duct fabrication projects.

Important Notice – Propane Parts, Accessories, and Regulators

This product, including but not limited to propane parts, accessories, fittings, hoses, valves, and regulators, must be installed and serviced by a licensed professional in accordance with all applicable local, state, and federal codes, regulations, and standards.

The seller assumes no responsibility for the installation, inspection, application, maintenance, or use of this product.

It is the sole responsibility of the buyer to ensure the product is appropriate for their intended application and that it is installed correctly by a qualified individual.

Improper installation, maintenance, or use of propane products may result in serious injury, death, fire, explosion, or property damage.

The buyer accepts all risks, liabilities, and potential consequences associated with the use of this product.

By purchasing this item, the buyer acknowledges that they have read, understood, and agreed to these terms and confirm that installation and use will be conducted by a properly licensed and qualified professional.

Compatibility & part-number help

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Shipping & availability

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